A power terminal for plugging in a light strip

Abstract

The present invention relates to the field of power supply terminal technology. In order to solve the technical problems of inconvenient operation and low efficiency in powering light strips in the prior art, the present invention discloses a power supply terminal for plugging in light strips, comprising an upper sheet and a lower sheet that are superimposed on each other after being bent, and a folding line at the bend. A bonding area in which the upper sheet and the lower sheet are completely bonded is formed at a predetermined distance from the folding line. The upper sheet is stretched obliquely upward to form an upper connecting area and a flat pressing area parallel to the lower sheet. Gap areas are formed on both sides of the upper connecting area to separate the flat pressing area and the bonding area. A clamping space for clamping the conductive part of the light strip is formed between the flat pressing area and the lower sheet. The lower sheet is stretched downward to form pins for soldering to a circuit board. By providing a separation area between the upper sheet and the flat pressing area, an appropriate connection length, namely an upper connecting area, is provided between the flat pressing area and the bonding area. The flat pressing area has a certain elastic space, and a clamping space for clamping the conductive part of the light strip is formed between the flat pressing area and the lower sheet.

Description

Technical Field

[0001] The present invention relates to the technical field of power supply terminals, and in particular to a power supply terminal for plugging in a light strip. Background Art

[0002] With the widespread application of LED light strips, their use in various scenarios is becoming increasingly common. Light strips are lighting devices that evenly arrange multiple LED beads on a flexible circuit board. They offer advantages such as energy saving, environmental protection, and long life. In existing technology, light strips are usually powered by soldering power wires onto the strips. This method has the following problems:

[0003] Inconvenient operation: Welding the power cord requires a certain level of technical skills and professional tools. For non-professionals, the operation is difficult and prone to problems such as poor welding or poor contact, which will affect the normal operation of the light strip.

[0004] Inefficiency: Soldering power cables is a time-consuming operation, which significantly reduces work efficiency, especially when a large number of light strips need to be connected. Uncertainty in the soldering process may also lead to rework, further reducing efficiency.

[0005] In summary, the existing method of powering a light strip by welding power wires has obvious shortcomings in terms of operational convenience and work efficiency. Therefore, providing a more convenient, efficient, and easy-to-install light strip power supply terminal is the key to solving the above problems. Summary of the Invention

[0006] The object of the present invention is to provide a power terminal for plugging in a light strip, so as to solve the technical problems of inconvenient operation and low efficiency in supplying power to the light strip in the prior art.

[0007] To achieve the above-mentioned purpose, the specific technical solution of a power terminal for plugging in a light strip of the present invention is as follows:

[0008] As one aspect of the present invention, a conductive plug-in for plugging in a light strip is provided, comprising an upper sheet and a lower sheet that are bent and overlapped, and a fold line at the bend; a bonding area where the upper sheet and the lower sheet are completely bonded is formed at a predetermined distance from the fold line; the upper sheet is stretched obliquely upward to form an upper connecting area and a flat pressing area parallel to the lower sheet; gap areas are formed on both sides of the upper connecting area to separate the flat pressing area and the bonding area; a clamping space is formed between the flat pressing area and the lower sheet for clamping the conductive portion of the light strip;

[0009] The lower sheet is stretched downward to form a pin for welding to the circuit board. The pin includes a first bent portion connected to the lower sheet, a straight insertion portion is connected below the first bent portion, and an inverted trapezoidal guide portion is provided below the straight insertion portion. The width of the first bent portion is greater than the width of the straight insertion portion, and the width of the straight insertion portion is greater than the width of the guide portion.

[0010] By setting a separation area between the upper sheet and the flat pressing area, there is an appropriate connection length between the flat pressing area and the fitting area, namely the upper connection area, so that the flat pressing area has a certain elastic space. If there is no separation area, it is difficult for the flat pressing area to move up and down when inserting the light strip, which will cause inconvenience in insertion.

[0011] The upper and lower sheets are bent and overlapped, which makes the manufacturing of the conductive plug more convenient. The conductive plug is a whole and has strong structural stability.

[0012] The flat pressing area and the design parallel to the lower sheet ensure close contact between the conductive part and the conductive plug, improving the reliability of electrical contact.

[0013] The pin design formed by stretching the lower sheet downward includes a first bent portion, a straight-insertion portion of equal width, and an inverted trapezoidal guide portion. It is not only convenient for inserting into the circuit board, but also convenient for inserting into the pin hole of the circuit board through the guide portion. The width of the first bent portion is greater than that of the straight-insertion portion. When the straight-insertion portion is inserted, the first bent portion abuts against the pin hole for positioning.

[0014] The inverted trapezoidal guide design facilitates smooth insertion into the pin hole, improving production efficiency.

[0015] The flat pressing area of ​​the upper sheet and the design that is parallel to the lower sheet ensure stable contact between the conductive part and the conductive plug, thereby ensuring the stability of electrical performance.

[0016] Furthermore, the upper portion of the flattened area is recessed downward to form a locking groove, and the upper portion of the flattened area is stretched downward to form a lower convex portion corresponding to the locking groove. The locking groove is used to abut and lock the spring inside the power terminal. The lower convex portion is a long, pointed line that can achieve linear compression on the conductive part of the light strip.

[0017] Furthermore, the front and rear ends of the flat pressing area are bent upward to form guiding bevels for facilitating the insertion of the light strip.

[0018] Furthermore, the first bending portion is provided with a positioning inclined surface; the flat pressing area is stretched downward to form a convex portion, and the flat pressing area is stretched upward to form a convex portion, and the convex portion is point-shaped or short-line-shaped, which can achieve multi-point point compression or short-line on the conductive portion of the light strip.

[0019] Furthermore, a positioning notch is provided at the side end of the lower sheet for cooperating with a positioning block in the shell so that the conductive plug-in is fixedly placed in the shell.

[0020] Preferably, the fitting area is rectangular.

[0021] The rectangular fitting area design increases the contact area between the upper and lower sheets, ensuring the mechanical strength of the conductive plug-in and the stability of the electrical connection.

[0022] The fitting area of ​​the rectangular structure can evenly distribute stress and reduce local stress concentration, thereby improving the stability and durability of the overall structure.

[0023] The rectangular bonding area is easy to process and manufacture, can simplify the production process, help to accurately position the pins during assembly, provide a stable base for the pins, and improve production efficiency and consistency.

[0024] Preferably, the length of the upper connecting area is half of the length of the fitting area.

[0025] Optimizing stress distribution and ensuring the proper length of the upper connection area can effectively disperse stress within the bonding area, avoiding local stress concentration and thus improving durability and fatigue resistance.

[0026] The upper connecting area of ​​moderate length ensures the connection strength between the upper sheet body and the bonding area, which helps to maintain the structural integrity and stability of the entire conductive plug-in.

[0027] As another aspect of the present invention, a power terminal for plugging in a light strip is provided, comprising the above-mentioned conductive plug-in and at least one shell made of insulating material, wherein the conductive plug-in portion is arranged in the shell, and the shell is provided with an inlet for inserting the conductive part of the light strip, and the shell is also provided with a spring for pressing the upper pressing plate and a pressure block for pressing the spring.

[0028] Insert the light strip through the inlet. The clamping space between the flat pressing area and the lower pressing plate securely holds the conductive portion of the light strip, ensuring a stable and reliable connection and reducing the risk of poor contact. The pressure block compresses the upper portion of the spring plate, transferring the pressure to its lower portion, which presses against the flat pressing area. A locking groove in the flat pressing area secures the bottom end of the spring plate in the locking groove.

[0029] The clamping structure and conductive inserts facilitate quick and easy electrical connection of the light strip, reducing the complexity and time of the soldering process. Since soldering is unnecessary, maintenance or replacement of the light strip can be completed with simple operations, improving maintenance efficiency and convenience. This also avoids thermal damage to the light strip during soldering, extending its lifespan. By reducing the number of soldering steps and related materials, production and installation costs can be reduced, improving economic benefits.

[0030] The shell is made of insulating material and the internal design of the pressing piece and spring structure provides good electrical insulation protection, reduces the possibility of short circuit and leakage, and improves safety in use.

[0031] Furthermore, the elastic piece includes a straight first elastic portion and a second elastic portion, and an arc-shaped second bending portion is connected between the first elastic portion and the second elastic portion.

[0032] It provides better elastic conduction and clamping force, ensuring close contact between the conductive part of the light strip and the conductive plug, and improving connection stability.

[0033] The power terminal for light strip plugging provided by the present invention has the following advantages:

[0034] By setting a separation area between the upper sheet body and the flat pressing area, the flat pressing area and the fitting area have an appropriate connection length, namely the upper connecting area, so that the flat pressing area has a certain elastic space and is easy to insert.

[0035] The upper and lower sheets are bent and overlapped, which makes the manufacturing of the conductive plug more convenient. The conductive plug is a whole and has strong structural stability.

[0036] The pin design formed by stretching the lower sheet downward includes a first bent portion, a straight-insertion portion of equal width, and an inverted trapezoidal guide portion. It is not only convenient for inserting into the circuit board, but also convenient for inserting into the pin hole of the circuit board through the guide portion. The width of the first bent portion is greater than that of the straight-insertion portion. When the straight-insertion portion is inserted, the first bent portion abuts against the pin hole for positioning.

[0037] Insert the light strip through the inlet. The clamping space between the flat pressing area and the lower pressing plate securely holds the conductive portion of the light strip, ensuring a stable and reliable connection and reducing the risk of poor contact. The pressure block compresses the upper portion of the spring plate, transferring the pressure to its lower portion, which presses against the flat pressing area. A locking groove in the flat pressing area secures the bottom end of the spring plate in the locking groove.

[0038] By adopting a clamping structure and conductive plug-in, the electrical connection of the light strip can be achieved conveniently and quickly, reducing the complexity and time of the welding process; since no welding is required, when the light strip needs to be maintained or replaced, it can be completed with simple operations, which improves maintenance efficiency and convenience; it avoids thermal damage to the light strip that may be caused by the welding process, and extends the service life of the light strip; by reducing the use of welding processes and related materials, it can reduce production and installation costs and improve economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 This is an overall diagram of the connection between the light strip provided by the present invention and the power terminal;

[0040] Figure 2 A cross-sectional view of the power terminal provided by the present invention;

[0041] Figure 3 A first-view structural diagram of the housing provided by the present invention;

[0042] Figure 4 A second view of the structure of the housing provided by the present invention;

[0043] Figure 5A structural diagram of the housing and side cover separation provided by the present invention;

[0044] Figure 6 A diagram of the briquetting structure provided by the present invention;

[0045] Figure 7 A structural diagram of the shrapnel provided by the present invention;

[0046] Figure 8 A first-view structural diagram of the conductive plug provided by the present invention;

[0047] Figure 9 This is a second viewing structural diagram of the conductive plug provided by the present invention.

[0048] In the figure: 1, power terminal; 2, light strip; 10, housing; 20, pressure block; 30, conductive plug; 40, spring; 100, avoidance; 101, strip block; 102, first strip groove; 103, positioning block; 11, introduction port; 12, first positioning axis; 13, second positioning axis; 14, socket; 15, positioning support frame; 16, limiting wall; 17, third positioning axis; 18, first positioning groove; 19, side cover; 191, second positioning groove; 192, third positioning groove; 193, second strip groove; 21, shaft hole; 22, grip 3. The first and second elastic parts are as follows: 1. The first elastic part; 2. The second elastic part; 3. The second bending part; 4. The second elastic part; 5. The end part; 6. The light strip; 7. The conductive part; 8. The light emitting part; 9. The second elastic part; 10. The second bending part; 11. The second elastic part; 12. The second elastic part; 13. The second elastic part; 14. The second end part; 15. The first and second elastic parts; 16. The second elastic part; 17. The second elastic part; 18. The second elastic part; 19. The second elastic part; 20. The second elastic part; 21. The second elastic part; 22. The second elastic part; 23. The limiting axis; 300. The folding line; 301. The fitting area; 302. The upper connecting area; 303. The flat pressing area; 305. The positioning notch; 306. The lower convex part; 31. The pin; 311. The first bending part; 312. The straight insertion part; 313. The guide part; 32. The upper pressing piece; 33. The lower sheet; 34. The locking groove; 35. The guide bevel; 36. The bending and pressing part; 37. The raised part; 41. The first elastic part; 42. The second bending part; 43. The second elastic part; 44. The end part; 50. The light strip; 51. The conductive part; 52. The light emitting part. DETAILED DESCRIPTION

[0049] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0050] See Figures 1 to 9The present invention provides a power terminal for connecting a light strip 50. The light strip 50 is in the shape of a long strip and includes a light-emitting portion 52 protruding in the middle. Conductive wires are arranged in the straight interlayers on both sides of the light-emitting portion 52. The conductive wires are connected to the LEDs of the light-emitting portion 52. Conductive portions 51 are exposed on the light strip 50 at predetermined intervals. The power terminal 1 includes a housing 10. The housing 10 contains a pressure block 20, a conductive plug 30, and a spring 40. The housing 10 is provided with an inlet 11 for facilitating the insertion of the conductive portion 51 of the light strip 50. Avoidance openings 100 are provided on both sides of the inlet 11 for avoiding the light-emitting portion 52. A parallel clamping groove is formed between the upper and lower surfaces of the inlet 11, which is suitable for the conductive portion 51 to pass through and position; the avoidance openings 100 of the adjacent housing 10 form an aperture with a radius, which is suitable for the light-emitting portion 52 to pass through and position. The pressing block 20 is used to press the upper side of the spring 40 , and the lower end of the spring 40 abuts against the conductive plug 30 , so that the conductive plug 30 presses the conductive portion 51 of the light strip 50 .

[0051] See Figures 2 to 5 The housing 10 is provided with a first positioning shaft 12 for positioning the spring piece 40 , and a limiting wall 16 is provided on the outer side of the first positioning shaft 12 . An arc groove for positioning the spring piece 40 is formed between the first positioning shaft 12 and the limiting wall 16 .

[0052] The shell 10 is provided with a second positioning shaft 13 for positioning the pressure block 20. The bottom of the shell 10 is fixed with a positioning support frame 15 for the conductive plug-in 30. The positioning support frame 15 and the two sides are formed with sockets 14 for positioning the pins 21 of the conductive plug-in 30. The pins of the conductive plug-in 30 pass through the sockets 14, and the pins 31 can be fixedly soldered on the circuit board.

[0053] There are multiple power terminals 1, and the housing 10 is provided with a third positioning axis 17 and a first positioning slot 18 for interfacing with another adjacent housing 10. A side cover 19 is also provided, and the side cover 19 is provided with a second positioning slot 191 for interfacing with the third positioning axis 17 of the outermost housing 10, and a third positioning slot 192 for interfacing with the second positioning axis 13.

[0054] See Figure 6 The pressing block 20 is provided with an axial hole 21 for being sleeved outside the second positioning shaft 13, a limiting shaft 23 for positioning the upper side of the spring is provided at the lower right side of the pressing block 20, and a gripping portion 22 is provided at the left end of the pressing block 20. The gripping portion 22 is provided with spaced convex strips to reduce slippage during hand operation.

[0055] See Figure 7The spring piece 40 includes a straight first elastic portion 41 and a second elastic portion 43, and an arc-shaped second bending portion 42 is connected between the first elastic portion 41 and the second elastic portion 43. The first elastic portion 41 and the second elastic portion 43 form a predetermined angle. The second bending portion 42 is sleeved on the first positioning shaft 12, and the outer end of the first elastic portion 41 is bent downward to form an end portion 44.

[0056] See Figure 8 and Figure 9 The conductive plug 30 includes a lower sheet 33 and an upper pressing sheet 32. The lower sheet 33 is stretched downward to have a pin 31 for welding on a circuit board. The side ends of the lower sheet 33 and the upper pressing sheet 32 ​​are fixedly connected together to form an integral body.

[0057] A transverse locking groove 34 is provided in the middle of the upper pressing plate 32, which is used to lock the second elastic portion 43 of the spring 40; the front and rear ends of the upper pressing plate 30 are bent upward to form a guiding bevel 35 for facilitating the insertion of the light strip 2, making it more convenient to insert the light strip 50.

[0058] Furthermore, the upper pressing plate 32 is stretched downward to form a protrusion 37 , and the lower plate body 33 is stretched upward to form a protrusion 37 , which is used to clamp the conductive part of the light strip to improve the clamping effect.

[0059] The conductive insert 30 includes an upper sheet and a lower sheet 33 that are bent and overlapped, and a fold line 300 at the bend. A bonding area 301 is formed at a predetermined distance from the fold line 300, where the upper sheet and the lower sheet 33 are completely bonded. The upper sheet is stretched obliquely upward to form an upper connecting area 302 and a flat pressing area 303 parallel to the lower sheet 33. A gap area is formed on both sides of the upper connecting area 302, separating the flat pressing area 303 from the bonding area 301. A clamping space is formed between the flat pressing area 303 and the lower sheet 33 for clamping the conductive portion of the light bar.

[0060] The lower sheet 33 is stretched downward to form a pin 31 for welding to the circuit board. The pin 31 includes a first bent portion 311 connected to the lower sheet 33. A straight insertion portion 312 is connected below the first bent portion 311. A guide portion 313 in the shape of an inverted trapezoid is provided below the straight insertion portion 312. The width of the first bent portion 311 is greater than the width of the straight insertion portion 312, and the width of the straight insertion portion 312 is greater than the width of the guide portion 313.

[0061] The upper portion of the flat pressing area 303 is recessed downward to form a locking groove 34 , and the upper portion of the flat pressing area 303 is stretched downward to form a lower convex portion 306 corresponding to the position of the locking groove 34 .

[0062] The front and rear ends of the flat pressing area 303 are bent upward to form guiding bevel edges 35 for facilitating the insertion of the light bar 2 .

[0063] The first bending portion 311 is provided with a positioning inclined surface. The flat pressing area 303 is stretched downward to form a protrusion 37 . The lower sheet 33 is stretched upward to form a protrusion 37 . The protrusions 37 distributed up and down can further clamp the conductive part of the light strip.

[0064] A positioning notch 305 is provided at the side end of the lower plate 33 , which cooperates with the positioning block 103 of the housing 10 to stabilize the position of the conductive plug 30 in the housing 10 .

[0065] Preferably, the bonding area 301 is rectangular.

[0066] The rectangular fitting area 301 increases the contact area between the upper and lower sheets 33 , thereby ensuring the mechanical strength of the conductive plug 30 and the stability of the electrical connection.

[0067] The rectangular bonding area 301 can evenly distribute stress and reduce local stress concentration, thereby improving the stability and durability of the overall structure.

[0068] The rectangular fitting area 301 is easy to process and manufacture, can simplify the production process, and helps to perform precise positioning during the assembly process, thereby providing a stable base for the pins 31 and improving production efficiency and consistency.

[0069] Preferably, the length of the upper connecting area 302 is half of the length of the fitting area 301 .

[0070] The stress distribution is optimized, and the length of the upper connecting area 302 is moderate, which can effectively disperse the stress in the bonding area 301 and avoid local stress concentration, thereby improving durability and fatigue resistance.

[0071] The upper connecting area 302 of moderate length ensures the connection strength between the upper sheet and the fitting area 301 , and helps to maintain the structural integrity and stability of the entire conductive plug 30 .

[0072] See Figure 3 and Figure 5 To further enhance the stability of the connection between the housings 10, a strip block 101 and a first strip groove 102 are provided on either side of the housing 10, allowing two adjacent housings 10 to be fastened together via the strip block 101 and the first strip groove 102. To accommodate the fastening of the outermost housing 10 and the side cover 19, the side cover 19 is also provided with a second strip groove 193 that engages with the strip block 101.

[0073] A positioning block 103 is provided in the housing 10 , and cooperates with the positioning notch 305 of the conductive plug 30 to position the conductive plug 30 .

[0074] The power supply terminal for a light strip provided by the present invention has the following advantages:

[0075] By setting a separation area between the upper sheet body and the flat pressing area, the flat pressing area and the fitting area have an appropriate connection length, namely the upper connecting area, so that the flat pressing area has a certain elastic space and is easy to insert.

[0076] The upper and lower sheets are bent and overlapped, which makes the manufacturing of the conductive plug more convenient. The conductive plug is a whole and has strong structural stability.

[0077] The pin design formed by stretching the lower sheet downward includes a first bent portion, a straight-insertion portion of equal width, and an inverted trapezoidal guide portion. It is not only convenient for inserting into the circuit board, but also convenient for inserting into the pin hole of the circuit board through the guide portion. The width of the first bent portion is greater than that of the straight-insertion portion. When the straight-insertion portion is inserted, the first bent portion abuts against the pin hole for positioning.

[0078] Insert the light strip through the inlet. The clamping space between the flat pressing area and the lower pressing plate securely holds the conductive portion of the light strip, ensuring a stable and reliable connection and reducing the risk of poor contact. The pressure block compresses the upper portion of the spring plate, transferring the pressure to its lower portion, which presses against the flat pressing area. A locking groove in the flat pressing area secures the bottom end of the spring plate in the locking groove.

[0079] By adopting a clamping structure and conductive plug-in, the electrical connection of the light strip can be achieved conveniently and quickly, reducing the complexity and time of the welding process; since no welding is required, when the light strip needs to be maintained or replaced, it can be completed with simple operations, which improves maintenance efficiency and convenience; it avoids thermal damage to the light strip that may be caused by the welding process, and extends the service life of the light strip; by reducing the use of welding processes and related materials, it can reduce production and installation costs and improve economic benefits.

[0080] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A conductive plug-in for connecting a light strip, comprising an upper sheet and a lower sheet (33) that are bent and overlapped, and a folding line (300) at the bend, characterized in that: A bonding area (301) where the upper sheet and the lower sheet (33) are completely bonded is formed at a predetermined distance from the folding line (300); the upper sheet is stretched obliquely upward to form an upper connecting area (302) and a flat pressing area (303) parallel to the lower sheet (33); gap areas are formed on both sides of the upper connecting area (302) to separate the flat pressing area (303) from the bonding area (301); and a clamping space for clamping the conductive portion of the light bar is formed between the flat pressing area (303) and the lower sheet (33); The lower sheet (33) is stretched downward to form a pin (31) for welding to a circuit board. The pin (31) includes a first bent portion (311) connected to the lower sheet (33). A straight insertion portion (312) is connected below the first bent portion (311). A guide portion (313) in an inverted trapezoidal shape is provided below the straight insertion portion (312). The width of the first bent portion (311) is greater than the width of the straight insertion portion (312), and the width of the straight insertion portion (312) is greater than the width of the guide portion (313).

2. The conductive plug-in for light strip connection according to claim 1, characterized in that: The upper portion of the flat pressing area (303) is recessed downward to form a locking groove (34), and the upper portion of the flat pressing area (303) is stretched downward to form a lower convex portion (306) corresponding to the position of the locking groove (34).

3. The conductive plug-in for light strip connection according to claim 1, characterized in that: The front and rear ends of the flat pressing area (303) are bent upward to form guiding bevels (35) for facilitating the insertion of the light bar (2).

4. The conductive plug according to claim 1, characterized in that: The first bending portion (311) is provided with a positioning inclined surface; the flat pressing area (303) is stretched downward to form a convex portion (37), and the lower sheet (33) is stretched upward to form a convex portion (37).

5. The conductive plug-in for light strip connection according to claim 1, characterized in that: A positioning notch (305) is provided at the side end of the lower plate (33).

6. The conductive plug-in for light strip connection according to claim 1, characterized in that: The fitting area is rectangular.

7. The conductive plug-in for light strip connection according to claim 1, characterized in that: The length of the upper connecting area (302) is half of the length of the bonding area (301).

8. A power terminal for plugging in a light strip, characterized in that: The conductive plug (30) comprises the conductive plug (30) as claimed in claim 1, and comprises at least one shell (10) made of insulating material, wherein the conductive plug (30) is partially arranged in the shell (10), and the shell (10) is provided with an inlet (11) for inserting the conductive part (51) of the light strip, and avoidance openings (52) are provided on both sides of the inlet (11) for avoiding the light-emitting part (52) of the light strip, and a spring (40) for pressing the upper pressing plate and a pressure block (20) for pressing the spring (40) are also provided in the shell (10).

9. The power terminal for light strip plugging according to claim 8, characterized in that: The elastic sheet (40) comprises a straight first elastic portion (41) and a second elastic portion (43), and an arc-shaped second bending portion (42) is connected between the first elastic portion (41) and the second elastic portion (43).

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